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Finding the Fourth Proportional to 79,748.41, 119,646 and 23,590

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Solution

The fourth proportional to 79,748.41, 119,646 and 23,590 is: 35,391.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,748.41 : 119,646 = 23,590 : x
  2. Step 2: Convert to fraction form
    79,748.41/119,646 = 23,590/x
  3. Step 3: Cross multiply
    79,748.41x = 119,646 × 23,590
  4. Step 4: Simplify right side
    79,748.41x = 2,822,449,140
  5. Step 5: Solve for x
    x = 2,822,449,140/79,748.41
  6. Step 6: Final answer
    x = 35,391.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.